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Chien Ter Hsing 1 Article
Efficacy of I-scan Endoscopy in the Diagnosis of Gastroesophageal Reflux Disease with Minimal Change
Min Sik Kim, Seok Reyol Choi, Myung Hwan Roh, Jong Hun Lee, Jin Seok Jang, Byung Geun Kim, Sang Ock Kim, Ji Sun Han, Chien Ter Hsing
Clin Endosc 2011;44(1):27-32.   Published online September 30, 2011
DOI: https://doi.org/10.5946/ce.2011.44.1.27
AbstractAbstract PDFPubReaderePub
Background/Aims

The aim of the study was to evaluate the efficacy of i-scans for the diagnosis of gastroesophageal reflux disease, especially where only minimal change is involved.

Methods

The esophageal mucosa was inspected using an i-scan following conventional white light endoscopy. The examination with iscan was performed under tone enhancement (TE) esophagus (e) mode. Patients with subtle distal esophageal mucosal changes without definite mucosal breaks, such as blurring of Z-line (B), mucosal coarseness (C), hyperemic or purplish discoloration (D), erythema (E), ectopic gastric mucosal islet (I) and mixed type were classified as minimal change.

Results

A total of 156 patients were included. Using i-scan endoscopy, the number of minimal change was found to further increase from 94 (conventional endoscopy; 19B, 9C, 29D, 13E, 5I, 19 mixed type) to 109 (i-scan; 15B, 8C, 29D, 16E, 5I, 36 mixed type). And 14 patients who had single type by conventional endoscopy were converted to mixed type after i-scan. Therefore, 29 of 156 patients were upgraded after i-scan, they were account for 19% (p<0.0001; 95% confidence interval, 0.13 to 0.25).

Conclusions

The use of i-scan endoscopy significantly improves the identification of minimal change and helps to identify more precisely the type of minimal change.

Citations

Citations to this article as recorded by  
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